diff --git a/tests/fixtures/complex.env b/tests/fixtures/complex.env
new file mode 100644
index 0000000..1447dd2
--- /dev/null
+++ b/tests/fixtures/complex.env
@@ -0,0 +1,10 @@
+APP_NAME=myapp
+APP_VERSION=1.0.0
+DB_HOST=localhost
+DB_PORT=5432
+DB_USER=postgres
+DB_PASSWORD=secret
+REDIS_HOST=localhost
+REDIS_PORT=6379
+FEATURE_FLAG_DARK_MODE=true
+FEATURE_FLAG_BETA=false